参数资料
| 型号： | DM330015 |
| 厂商： | Microchip Technology |
| 文件页数： | 21/34页 |
| 文件大小： | 0K |
| 描述： | KIT STARTER MOTR CTRL DSPIC33E |
| 产品培训模块： | Motor Control Starter Kit |
| 标准包装： | 1 |
| 系列： | mTouch™ |
| 主要目的： | 电源管理，电机控制 |
| 嵌入式： | 是，MCU，16 位 |
| 已用 IC / 零件： | dsPIC33FJ16MC102 |
| 主要属性： | 通过 USB 接口进行的板载在线编程/调试 |
| 次要属性： | 用于速度控制的电容式触控滑块，带 LED 指示灯 |
| 已供物品： | 板，线缆，电源 |
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Hardware
TABLE 3-3:
APPLICATION COMPONENTS (CONTINUED)
Component
Label
Figure #
Item #
Description
Top Assembly Components
BEMF Feedback
N/A
1-1
6
A six resistor network consisting in three voltage dividers is
connected to the motor windings to measure the BEMF of the
motor, providing the feedback needed for driving the motor in
sensorless mode. Based on the ADC measurements, the
motor virtual neutral point is reconstructed in software. The
resistor values are chosen taking into consideration the maxi-
mum BEMF voltage on the motor terminals and the maximum
voltage allowed on the ADC input pins.
Current Feedback
N/A
1-1
7
A single-shunt topology has been implemented on this starter
kit, featuring a 0.5 Ω shunt. One MCP6021 operational ampli-
fier provides the current input to the ADC channel at a resolu-
tion of 2.5V/A, with no offset. A 1.67V offset can be
configured by populating R60 and R62 with 10 K Ω resistors.
Push Button
S1
1-1
8
This simple push button can be used as an input to the
device. When the button is pressed, the corresponding port
pin is low.
Power LED
D4
9
When lit, indicates that power is being supplied to the
dsPIC33FJ16MC102 DSC from the 3.3V regulator.
Capacitive Slider
N/A
1-1
11
The capacitive slider is an integral part of the board’s top
layer. The application responds to capacitive changes
induced by direct contact with the user by monitoring each of
the slider pads with the device’s integrated CTMU module.
User-programmable
LEDs
D5, D6,
D7
1-1
12
Three user-programmable LEDs are available for the applica-
tion. The LEDs are lit when their corresponding port pins are
set high.
Bottom Assembly Component
Power Supply
N/A
1-2
1
Two power regulators are included in the application side of
Regulators
this starter kit, converting the 9V input to voltages appropriate
for the other starter kit components. A 3.3V regulator pro-
vides the power for the dsPIC33FJ16MC102 DSC, feedback
circuitry, user LEDs and push button. The maximum power of
this regulator is 0.5W.
The second regulator provides 12V for powering the
three-phase inverter and driving the BLDC motor. The
maximum of this regulator is 10W.
3.5
BOARD CONNECTORS
Table 3-4 describes the hardware connections available on the Motor Control Starter
Kit (see Figure 1-1 and Figure 1-2 for component locations).
TABLE 3-4:
Label
J1
J2
J3
J4
J5
? 2011 Microchip Technology Inc.
BOARD CONNECTORS
Description
mini-B USB connection between the on-board programmer/debugger and the
host computer.
ICSP? programmer interface connector for programming the
PIC24FJ256GB106 MCU USB-to-UART bridge.
9V board power input.
ICSP programmer interface connector for programming the dsPIC33FJ16MC102
DSC.
BLDC motor connector.
DS75015A-page 21
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